. , .
, λi(ν) λi(ν) ,
:
1) .
2) .
:
1) , , . (, , ).
2) N i.
3) λi(ν)
.
Λ (ν) = ∑ Niλi(ν) i=1 | (2.21) |
:
To(ν) = 1/ Λ (ν) | (2.22) |
:
P(t) = e- t/To(ν) | (2.23) |
.
1) ,
2) .
3) λi(ν)
4)
5)
6) .
1: RC
1). = 1;t=80˚ →λ1(ν) = (2+2*10)*106 =22*106 1/r
2). =0.5; t=40˚ → λ2(ν) = (0.9 +2*0.15)*106 = 1.2*10 1/r
N i | 1 | 2 | |||||
t˚ | λ(ν) | t˚ | λ(ν) | ||||
2 10-6 | 0,5 | 0,9 10-6 | |||||
10 10-6 | 0,5 | 0,15 10-6 |
20
2 10000 . .
R1,R2 Җ0.5620
R3,R4 0.25 3.3
R5,R6 0.25 10
1,2
Un 20
VT1,Vt2 40, = 100
Un = 12
m = 6
1.
I = Un ΔUVT2 / 620 =(12 0.5)/620 = 20*10-3 A
R1R = / = I2 * R22 / 0,5 = (20 * 10-3)2*620/ 0.5 = 0.5
|
|
I=120,5/(R1 R2)=(120,5)/(620+3300)=3,5*10-3 A
R3R4 = I2 R3/0,25 = 0.16
R5R6 =0,1
12 = U/U = 12 / 20 = 0.6
VT1VT2 = / =(20 * 10-3 * 0.5 )/ 100 * 10-3 = 0.1
t˚C
N i | t˚C | α1 | λ1(ν)*10-6 | Niλi(ν)10-6 | λ 10-6 | |||
R1 R2 | -0.5-620 | 0,5 | 0,45 | 0,23 | 0,46 | 0,5 | ||
R3 R4 | -0.25-3.3 | 0,5 | 0,25 | 0,1 | 0,2 | 0,4 | ||
R5 R6 | -0,25-10 | 0,5 | 0,1 | 0,175 | 0,07 | 0,14 | ||
1 2 | 1 | 0,5 | 0,6 | 0,208 | 0,25 | 0,5 | ||
VT1 VT2 | - 40 | 0,5 | 0,1 | 0,2 | 0,92 | 1,84 |
.
1. Λ1 (ν) = (2*0.5 +2*0.4+2*0.4+2*1.2+2*4.6) * 106 = 14.2 * 106 1/
2. Λ2 (ν) = (0.46+0.2+0.14+0.50+1.84) = 3.14 * 106 1/
-14.2*10-6*10-4
1. (10000) = = 0,8694
-3.14 * 10-6* 104
2.(10000) = = 0.9704
.
1 = 1 / λ(ν) = 7042
2 = 31847
, . :
λ(ν) = λ(ν)+ λn
λ(ν)
λ 1
n
λ(ν) = λα1α2
t , , t=t-t, , λ λ(ν)
, .
P(t) = exp [-λ(ν) tp (1+α*z+(φ*N*)/tp)] (2.25)
α = λ/ λ(ν); φ = λ/ λ(ν); z = Txp / tp
λ
λ = (0.01 ÷0.1) λ(ν);
N* t